mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
/*
|
|
Copyright 2015 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package e2e
|
|
|
|
// Tests network performance using iperf or other containers.
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
)
|
|
|
|
type IPerfResults struct {
|
|
BandwidthMap map[string]int64
|
|
}
|
|
|
|
// IPerfResult struct modelling an iperf record....
|
|
// 20160314154239,172.17.0.3,34152,172.17.0.2,5001,3,0.0-10.0,33843707904,27074774092
|
|
type IPerfResult struct {
|
|
date string // field 1 in the csv
|
|
cli string // field 2 in the csv
|
|
cliPort int64 // ...
|
|
server string
|
|
servPort int64
|
|
id string
|
|
interval string
|
|
transferBits int64
|
|
bandwidthBits int64
|
|
}
|
|
|
|
// Add adds a new result to the Results struct.
|
|
func (i *IPerfResults) Add(ipr *IPerfResult) {
|
|
if i.BandwidthMap == nil {
|
|
i.BandwidthMap = map[string]int64{}
|
|
}
|
|
i.BandwidthMap[ipr.cli] = ipr.bandwidthBits
|
|
}
|
|
|
|
// ToTSV exports an easily readable tab delimited format of all IPerfResults.
|
|
func (i *IPerfResults) ToTSV() string {
|
|
if len(i.BandwidthMap) < 1 {
|
|
framework.Logf("Warning: no data in bandwidth map")
|
|
}
|
|
|
|
var buffer bytes.Buffer
|
|
for node, bandwidth := range i.BandwidthMap {
|
|
asJson, _ := json.Marshal(node)
|
|
buffer.WriteString("\t " + string(asJson) + "\t " + fmt.Sprintf("%E", float64(bandwidth)))
|
|
}
|
|
return buffer.String()
|
|
}
|
|
|
|
// NewIPerf parses an IPerf CSV output line into an IPerfResult.
|
|
func NewIPerf(csvLine string) *IPerfResult {
|
|
slice := StrSlice(strings.Split(csvLine, ","))
|
|
if len(slice) != 9 {
|
|
framework.Failf("Incorrect fields in the output: %v (%v out of 9)", slice, len(slice))
|
|
}
|
|
i := IPerfResult{}
|
|
i.date = slice.get(0)
|
|
i.cli = slice.get(1)
|
|
i.cliPort = intOrFail("client port", slice.get(2))
|
|
i.server = slice.get(3)
|
|
i.servPort = intOrFail("server port", slice.get(4))
|
|
i.id = slice.get(5)
|
|
i.interval = slice.get(6)
|
|
i.transferBits = intOrFail("transfer port", slice.get(7))
|
|
i.bandwidthBits = intOrFail("bandwidth port", slice.get(8))
|
|
return &i
|
|
}
|
|
|
|
type StrSlice []string
|
|
|
|
func (s StrSlice) get(i int) string {
|
|
if i >= 0 && i < len(s) {
|
|
return s[i]
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// intOrFail is a convenience function for parsing integers.
|
|
func intOrFail(debugName string, rawValue string) int64 {
|
|
value, err := strconv.ParseInt(rawValue, 10, 64)
|
|
if err != nil {
|
|
framework.Failf("Failed parsing value %v from the string '%v' as an integer", debugName, rawValue)
|
|
}
|
|
return value
|
|
}
|